# Passive Buzzer Mode

> Passive buzzer module that requires a square wave signal with a frequency of 2k to 5k to operate. It can play varied tones or melodies using the Arduino tone function. Supply voltage 3.3-5VDC, dimensions 33 x 13 mm. It differs from an active buzzer, which generates sound directly when voltage is applied.

- Page: https://sigmanortec.ro/en/passive-buzzer-mode
- Price: 5.03 RON
- Availability: Out of stock
- Reference: 22152 · EAN: 5949906098757
- Category: Mechatronics and IoT > Sensors and Modules > Audio and Sound > Buzzers and Alarms
- Package (shipping data): 0.004 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 04:49 (Europe/Bucharest)

## Description

Passive buzzer ideal for sound signaling controlled by microcontrollers, works with a 2k-5k rectangular signal and allows the playback of various tones or melodies through the Arduino tone function, is powered by 3.3-5VDC and has compact dimensions of 33 x 13 mm for easy integration into electronic projects.
Passive buzzer module that requires a square wave signal (frequency 2k-5k) to operate. It is capable of complex sound playback through the Arduino "tone" function. You can even play a melody.
Note: it is different from an active buzzer that produces sound when a voltage is applied.
Specifications:
Supply voltage: 3.3-5VDC
Dimensions mm: 33 x 13